maven的setting.xm需要配置jdk

• 全域性

 <profiles>
		<id>jdk-1.8</id>    
		<activation>    
		  <activeByDefault>true</activeByDefault>    
		  <jdk>1.8</jdk>    
		</activation>    
		<properties>    
		<maven.compiler.source>1.8</maven.compiler.source>    
		<maven.compiler.target>1.8</maven.compiler.target>    
		<maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>    
		</properties>   
 </profiles>
 

• 區域性

<build>  
    <plugins>  
        <plugin>  
            <groupId>org.apache.maven.plugins</groupId>  
            <artifactId>maven-compiler-plugin</artifactId>  
            <configuration>  
                <source>1.8</source>  
                <target>1.8</target>  
            </configuration>  
        </plugin>  
    </plugins>  
</build>